{"uid":"cap_5By0ZI1NY6DNAwYCKjef7","slug":"oix-pagewatch-inventory-url-change-monitoring-observations-eda1f435","name":"OIX PageWatch Inventory — URL Change Monitoring Observations","description":"Package any earning logic as an autonomous asset. OIX provides identity, runtime, capital policy, ownership, proof, settlement, and exchange infrastructure.","url":"https://oix-autonomous-economy.fly.dev/api/x402/portfolio/pagewatch-inventory","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"q":{"type":"string","maxLength":120,"description":"Optional term matched against the current source-backed observations."},"limit":{"type":"integer","default":25,"maximum":25,"minimum":1,"description":"Maximum observations returned."},"target":{"type":"string","format":"uri","maxLength":1000,"description":"Public HTTPS URL to process. The declared sample target is used when omitted."},"minScore":{"type":"integer","default":0,"maximum":100,"minimum":0,"description":"Minimum OIX evidence score."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"asset":{"name":"PageWatch Inventory","slug":"pagewatch-inventory","market":"Availability monitoring"},"proof":{"reportDigest":"sha256:…","sourceDigest":"sha256:…"},"product":{"offer":"Persistent URL change proof","price":"0.05 USDC","settlement":"x402 · Base mainnet"},"decision":{"buyer":"Supply and commerce agents","observations":[{"url":"https://github.com/dgtlmoon/changedetection.io","score":90,"title":"Primary-source market signal","evidence":{}}],"monitoredRecords":40,"returnedObservations":25},"protocol":"oix.machine-report/v1"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HO9gAAMy_WKlLrPPy6oL8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a scored, cryptographically-provable inventory of URL change observations for availability and content-change monitoring, settled via x402 on Base mainnet.","exampleAgentPrompt":"Pull the PageWatch Inventory observations for https://github.com/dgtlmoon/changedetection.io — give me up to 10 results with a minimum evidence score of 50, and show me the cryptographic proof digest.","exampleUseCases":[{"title":"E-commerce stock availability monitoring","prompt":"Check the OIX PageWatch Inventory for https://shop.example.com/product/widget and show me all observations with a score above 70 — I need to know if that page is still live and what's changed."},{"title":"Competitor website change detection","prompt":"Search the PageWatch Inventory for observations matching 'pricing' on https://competitor.io/pricing, limit to 5 results, and give me the report digest so I can prove what the page said."},{"title":"Automated availability proof for compliance","prompt":"Get me a full PageWatch Inventory report for https://docs.example.com/terms — I need the cryptographic source and report digests to prove the page was available and unchanged as of this check."}],"resultDescription":"A JSON report conforming to oix.machine-report/v1 containing: asset metadata (name, slug, market), cryptographic proof digests (reportDigest, sourceDigest), product details (offer description, price, settlement chain), and a decision object listing the requesting buyer context, up to 25 scored URL observations (each with URL, OIX evidence score 0-100, title, and evidence), plus total monitored record count and returned observation count.","failureModes":["Invalid or unreachable target URL returns empty observations or error","minScore too high filters all results, returning empty observations array","limit exceeds maximum of 25, rejected by schema validation","Payment not settled via x402 on Base mainnet results in 402 response","Target URL not in monitored inventory returns zero observations","Query term matches no observations, returns empty list"],"whenToPreferThis":"Choose this endpoint when you need cryptographically-provable, scored observations about URL availability or content changes — especially when you need on-chain settlement proof (Base mainnet via x402) or when integrating with autonomous agent pipelines that require tamper-evident evidence of page state. Prefer over generic web scrapers when auditability and proof-of-observation matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:26:18.987Z","isFirstParty":false}